<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>Swiper demo</title>
  <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1">

  <!-- Link Swiper's CSS -->
  <link rel="stylesheet" href="../package/css/swiper.min.css">

  <!-- Demo styles -->
  <style>
    body {
      background: #eee;
      font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
      font-size: 14px;
      color:#000;
      margin: 0;
      padding: 0;
    }
    .swiper-container {
      width: 100%;
      height: 300px;
      margin: 20px auto;
    }
    .swiper-slide {
      text-align: center;
      font-size: 18px;
      background: #fff;

      /* Center slide text vertically */
      display: -webkit-box;
      display: -ms-flexbox;
      display: -webkit-flex;
      display: flex;
      -webkit-box-pack: center;
      -ms-flex-pack: center;
      -webkit-justify-content: center;
      justify-content: center;
      -webkit-box-align: center;
      -ms-flex-align: center;
      -webkit-align-items: center;
      align-items: center;
    }
    .append-buttons {
      text-align: center;
      margin-top: 20px;
    }
    .append-buttons a {
      display: inline-block;
      border: 1px solid #007aff;
      color: #007aff;
      text-decoration: none;
      padding: 4px 10px;
      border-radius: 4px;
      margin: 0 10px;
      font-size: 13px;
    }
  </style>
</head>
<body>
  <!-- Swiper -->
  <div class="swiper-container">
    <div class="swiper-wrapper"></div>
    <!-- Add Pagination -->
    <div class="swiper-pagination"></div>
    <!-- Add Arrows -->
    <div class="swiper-button-next"></div>
    <div class="swiper-button-prev"></div>
  </div>
  <p class="append-buttons">
    <a href="#" class="prepend-2-slides">Prepend 2 Slides</a>
    <a href="#" class="slide-1">Slide 1</a>
    <a href="#" class="slide-250">Slide 250</a>
    <a href="#" class="slide-500">Slide 500</a>
    <a href="#" class="append-slide">Append Slide</a>
  </p>
  <!-- Swiper JS -->
  <script src="../package/js/swiper.min.js"></script>

  <!-- Initialize Swiper -->
  <script>
    var appendNumber = 600;
    var prependNumber = 1;
    var swiper = new Swiper('.swiper-container', {
      slidesPerView: 3,
      centeredSlides: true,
      spaceBetween: 30,
      pagination: {
        el: '.swiper-pagination',
        type: 'fraction',
      },
      navigation: {
        nextEl: '.swiper-button-next',
        prevEl: '.swiper-button-prev',
      },
      virtual: {
        slides: (function () {
          var slides = [];
          for (var i = 0; i < 600; i += 1) {
            slides.push('Slide ' + (i + 1));
          }
          return slides;
        }()),
      },
    });
    document.querySelector('.slide-1').addEventListener('click', function (e) {
      e.preventDefault();
      swiper.slideTo(0, 0);
    });
    document.querySelector('.slide-250').addEventListener('click', function (e) {
      e.preventDefault();
      swiper.slideTo(249, 0);
    });
    document.querySelector('.slide-500').addEventListener('click', function (e) {
      e.preventDefault();
      swiper.slideTo(499, 0);
    });
    document.querySelector('.prepend-2-slides').addEventListener('click', function (e) {
      e.preventDefault();
      swiper.virtual.prependSlide([
        'Slide ' + (--prependNumber),
        'Slide ' + (--prependNumber)
      ]);
    });
    document.querySelector('.append-slide').addEventListener('click', function (e) {
      e.preventDefault();
      swiper.virtual.appendSlide('Slide ' + (++appendNumber));
    });
  </script>
</body>
</html>
